National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

San Marcos, San Marcos Municipal Airport (KHYI)

Lat: 29.89°NLon: 97.86°WElev: 597ft.

Overcast

59°F

15°C

Humidity 96%
Wind Speed NE 10 mph
Barometer 30.19 in (1021.8 mb)
Dewpoint 58°F (14°C)
Visibility 10.00 mi
Last update 8 Nov 7:56 am CST
Extended Forecast for

Lockhart TX

  • Today

    Today: Showers. High near 62. Northeast wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 62 °F

    Showers

  • Tonight

    Tonight: Showers likely. Mostly cloudy, with a low around 54. Northeast wind 5 to 10 mph becoming light north northeast after midnight. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 54 °F

    Showers
    Likely

  • Monday

    Monday: Showers likely, mainly before noon. Mostly cloudy, with a high near 66. North northeast wind around 5 mph becoming calm in the afternoon. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 66 °F

    Showers
    Likely

  • Monday Night

    Monday Night: A 20 percent chance of showers before midnight. Mostly cloudy, with a low around 53. Calm wind.

    Low: 53 °F

    Slight Chance
    Showers then
    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 72. Calm wind.

    High: 72 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: A 20 percent chance of showers. Mostly cloudy, with a low around 56. Calm wind.

    Low: 56 °F

    Slight Chance
    Showers

  • Veterans Day

    Veterans Day: A 20 percent chance of showers before noon. Mostly cloudy, with a high near 76. Calm wind.

    High: 76 °F

    Slight Chance
    Showers then
    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 55. Light and variable wind becoming north 5 to 10 mph after midnight.

    Low: 55 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 74. North wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 74 °F

    Mostly Sunny

Detailed Forecast

Today
Showers. High near 62. Northeast wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Tonight
Showers likely. Mostly cloudy, with a low around 54. Northeast wind 5 to 10 mph becoming light north northeast after midnight. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Monday
Showers likely, mainly before noon. Mostly cloudy, with a high near 66. North northeast wind around 5 mph becoming calm in the afternoon. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Monday Night
A 20 percent chance of showers before midnight. Mostly cloudy, with a low around 53. Calm wind.
Tuesday
Partly sunny, with a high near 72. Calm wind.
Tuesday Night
A 20 percent chance of showers. Mostly cloudy, with a low around 56. Calm wind.
Veterans Day
A 20 percent chance of showers before noon. Mostly cloudy, with a high near 76. Calm wind.
Wednesday Night
Mostly cloudy, with a low around 55. Light and variable wind becoming north 5 to 10 mph after midnight.
Thursday
Mostly sunny, with a high near 74. North wind 5 to 10 mph, with gusts as high as 20 mph.
Thursday Night
Mostly clear, with a low around 46.
Friday
Sunny, with a high near 72.
Friday Night
Clear, with a low around 45.
Saturday
Sunny, with a high near 73.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Lockhart TX
 29.88°N 97.68°W (Elev. 525 ft)
Last Update:
5:44 am CST Nov 8, 2026
Forecast Valid:
8am CST Nov 8, 2026-6pm CST Nov 14, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation